//
//  UIColor+HexStringColor.m
//  RNCalendarModule
//
//  Created by DJ on 2019/4/10.
//  Copyright © 2019 DJ. All rights reserved.
//

#import "UIColor+HexStringColor.h"

@implementation UIColor (HexStringColor)

+(UIColor *)colorWithHexString:(NSString *)color{
    NSString *cString = [[color stringByTrimmingCharactersInSet:[NSCharacterSet whitespaceAndNewlineCharacterSet]] uppercaseString];
    if([cString length] < 6){
        return [UIColor clearColor];
    }
    if([cString hasPrefix:@"0X"]){
        cString = [cString substringFromIndex:2];
    }
    if([cString hasPrefix:@"#"]){
        cString = [cString substringFromIndex:1];
    }
    if([cString length] != 6){
        return [UIColor clearColor];
    }
    NSRange range;
    range.location = 0;
    range.length = 2;
    NSString *rString = [cString substringWithRange:range];
    range.location = 2;
    NSString *gString = [cString substringWithRange:range];
    range.location = 4;
    NSString *bString = [cString substringWithRange:range];
    unsigned int r,g,b;
    [[NSScanner scannerWithString:rString] scanHexInt:&r];
    [[NSScanner scannerWithString:gString] scanHexInt:&g];
    [[NSScanner scannerWithString:bString] scanHexInt:&b];
    return [UIColor colorWithRed:((float) r / 255.0f) green:((float) g / 255.0f) blue:((float) b / 255.0f) alpha:1.0f];
}

@end
